The sum formula for a geometric sequaence is:
sum(n) = a1(1-r^n)/1-r
Where n is the number of terms, a1 is the first term and r is the common ratio:
s(8) = 3(1-1/2^8) / (1-1/2)
s(8) = 3(1-1/256) / 1/2
s(8) = 2 253/256 / 1/2
s(8) = 765/128
The answer is C.
0,0 1,3 . 2,6 . 3,9 where x is the number of pages and y is the number of minutes
Answer: 4
you have to find prime factors of each number
Answer:
<h2>A</h2>
Step-by-step explanation:
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Answer:
2
Step-by-step explanation:
it's literally 6-4 = 2
